March, 1904.] DyAR : NeW NoRTH AMERICAN LePIDOPTERA. 41 



Lines as in acera but fairly distinct: t.-a. and t.-p. lines obscurely geminate, 

 paler filled ; ordinary spots separated, orbicular elongated, reniform with a slight spur 

 below on the median vein, claviform large, pale filled, joined to the t.-p. line by a 

 black dash. Subterminal space washed with lilaceous ; subterminal line composed of 

 a series of intervenular angles, pale, deep brown edged ; veins outwardly black lined. 

 Fringes dark, cut with ochraceous. Hind wing brown, diffusely shaded with black 

 without, central veins black lined. The patagia have a distinct blackish inner sub- 

 marginal line. Expanse 61 mm. 



One $ , Eureka, California, May 2 (H. S. Barber). 



Type. — No. 7729, U. S. National Museum. 



Pseudotamila avemensis, new species. 



Thorax with mixed brown and whitish hairs, abdomen black, tipped with pale 

 ocherous. Fore wings pale ocherous ; basal space bronzy brown with black scales 

 intermixed, basal half line of the ground color, outer edge of this patch formed by 

 the t.-a. line, irregular, crenulate, marked by a white dot in cell and on vein i ; 

 median space lightly shaded in bronzy, leaving a spot of the ground color at the in- 

 ception of the t.-a. and t.-p. lines ; reniform consisting of two parallel erect black bars, 

 the other spots lost. T.-p. line irregular, lost, showing as dots of the ground color, 

 defined by a narrow dark band of the color of the basal space, which edges it with- 

 out. Terminal space of the clear ground color ; a row of black terminal scales; 

 fringe pale, of the ground color. Hind wings solidly black. Below black, the apex 

 of fore wing broadly narrowing to anal angle with the fringe, an apical spot on hind 

 wing pale, pinkish, tinted. Expanse 15 mm. 



Described from two males collected at Aweme, Manitoba (Mr. 

 Norman Criddle) and forwarded for determination by Dr. James 

 Fletcher. One specimen in the National Museum, type no. 7734, 

 the other returned to Dr. Fletcher. 



The species does not coincide entirely with the generic definition 

 of Pseudotamila, yet comes so near it that a generic separation 

 seems unnecessary. The eyes are full and rounded, ovate, not as small 

 as Pseudotamila, yet not of full size ; the fore tibiae are rather short 

 and broad with one claw at one side at tip, two claws and a stout 

 spine on the other ; the front is smooth, bulging, prominent ; vestiture 

 of broad scales and hair. 



Oslaria, new genus. 



Male antenna simple ; eyes large, naked, unlashed ; front slightly protuberant, 

 a cup shaped prominence much as in Basilodes, smaller than in Plagioniimiciis : in- 

 fraclypeal plate prominent. Tibia unarmed ; fore tibia moderate, the tarsi very 

 short though stout, the whole tarsus shorter than the tibia which is in turn shorter 

 than the femur. Vestiture of thorax mixed scales and hair, a very slight double pos- 

 terior tuft ; abdopien untufted. 



Type. — Zotheca viridifera Grote. 



